Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7883775 | Diamond film coated tool and process for producing the same | Katsuo Kazahaya, Yasushi Matsumoto, Keiji Ishibashi, Takahiro Imai | 2011-02-08 |
| 4384227 | Armature winding for a dynamoelectric machine | — | 1983-05-17 |